Nasal passage dust and pollen filter



FIG. 1 is a perspective view of the nasal passage dust and pollen filter embodying the design of the present invention.

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a nasal passage dust and pollen filter, as shown and described. 